german chancellor angela merkel has taken the number one spot for fourth year in a row. merkel was elected as her country's first female leader in 2005, and her name has appeared on the list nine times in its 10-year existence. right behind merkel at number 2 is janet yellen, chair of the u-s federal reserve bank. followed by melinda gates-- co- chair of the bill & melinda gates foundation. hillary clinton was ranked number 6 and first lady michelle obama ranked number 8. angelina jolie took the 17th spot on the list. you would be number 18?social media is paying off for people following a complete stranger on twitter. a man is hiding envelopes with cash in his very own scavenger hunt. he's been putting the money in random places and tweets out their locations. that leads to a swarm of people who go out looking for it. so far nearly four-thousand dollars have been found. >> that is great. >> we got some money! >> that was the best sound bite ever. we got some money. the man behind this says this is just a social experiment that he doesn't plan on stopping anytime soon. >